#pragma once 

#define SIZE 4096
#define FLUSH_LINE (1 << 1)
#define FLUSH_ALL (1 << 2)

typedef struct _myFILE
{
    int fileno;
    int flag;
    char buffer[SIZE];
    int end;
}myFILE;


myFILE * my_fopen(const char *path, const char *mode);
int my_fwrite(const char* s, int num, myFILE *stream);
int my_fflush(myFILE *stream);
int my_fclose(myFILE *stream);
